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Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Floating Power Plant:
A Brief Introduction and Discussion of R&D
Sarah Bellew
Floating Power Plant,
Denmark
27th November 2014
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Floating Power Plant
We have developed the world’s only
offshore-proven, grid-connected wind and wave
power plant.
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
FPP’s P37 Test Platform
Disconnectable
3
Video
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Smoothed Power Output
Video
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Where to deploy the commercial devices?
Current focus Area of interest
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
FPP: From P37 to P80
P37 Site-Specific Design
P80 Designed for Probable
Commercial Sites 80 m wide
Min water depth 45 m
up to 2.6 MW wave power up to 5 MW Wind
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
TRL is very linear
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Scaled up Approach – The Way We Develop
8
Concept tests
Commercial Prototypes
& Small Arrays
Large scale P80 commercial
arrays
Design Optimisation
Numerical modeling
& engineering
Commercial wave-basin and
wave-flume tests
4 Scaled p37 offshore tests
Dry tests
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
9
1) Floater – Waves – PTO – stationary platform
2) Platform - mooring – wind turbines
3) Structural
4) Platform including WECS and mooring - Vaning due to current and waves
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
Intro 10
1) Floater – Waves – PTO – stationary platform a.
b.
c.
In partnership with Fritz
Schur Energy
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
11
1) Floater – Waves – PTO – stationary platform
2) Platform - mooring – wind turbines
3) Structural
4) Platform including WECS and mooring - Vaning due to current and waves
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
12
2) Platform - mooring – wind turbines
HAWC2-WAMIT coupling
• In partnership with DTU-Wind Energy (formerly Risø)
• Excludes WECs and their PTOs
Aerodynamic model: wake expansion, swirl, dynamic inflow, skew inflow, shear effect on induction
Structural Model: includes flexible rotating bodies which include masses, and inertial, centrifugal and gyroscopic forces.
Control Model
Hydyrodynamic Model: DLL interface to WAMIT
Mooring Model: Fully dynamic
&
6
7
4
5 3
1 2 &
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
13
1) Floater – Waves – PTO – stationary platform
2) Platform - mooring – wind turbines
3) Structural
4) Platform including WECS and mooring - Vaning due to current and waves
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
14
3. Structural
• Finite Element • Fatigue Analysis • Stress and Strains • Materials reduction Two stages: 1. Overall Structure 2. Key Components
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
15
1) Floater – Waves – PTO – stationary platform
2) Platform - mooring – wind turbines
3) Structural
4) Platform including WECS and mooring - Vaning due to current and waves
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Sub project “Numerical models”
16
4) Platform including WECS and mooring - Vaning due to current and waves
Turning Moments from Waves VS Turning Moments from Current
Need: 1. Wave:
a) Distribution of force within chamber and on hinge due to WEC operating
2. Current a) Cross Section at different
angles b) Drag Coefficient
Drag Force
Turning Moment
Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme
27th November 2014
Sarah Bellew Floating Power Plant
Key Areas for Development in UK for FPP
• Classification
• Certification
• Due Diligence
• Environmental Data Gathering
• Value Chain Development
• Confidence in the industry!
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